69% (2022)

64% (2011)

61% (1990)

66% (2009)

70% (1995)

56% (2015)

68% (1984)

61% (2002)

67% (1971)

60% (2010)

65% (2014)

64% (2012)

62% (1980)

64% (2003)

57% (2016)

61% (1986)

52% (2022)

68% (2022)

67% (1983)

55% (2015)